When to Check

Check the tires once a month or more.

Do not forget the spare tire. See Full-Size Spare Tire   for additional information.

    See also:

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

    Turning the System On and Off
    The system can be disabled through the Driver Information Center (DIC). See “Parking Assist” under Driver Information Center (DIC) for more information. URPA defaults to the on setting each ti ...

    Remote Keyless Entry (RKE) System
    The Remote Keyless Entry (RKE) transmitter is used to lock and unlock the doors from up to 60m (195 ft) away from the vehicle. : Press to unlock the driver door or all doors depending on the ...